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Areyourshop 1/2-28 To 13/16-16 Automotive Thread Adapter - Black 1/2x28 To 13/16x16 Car Accessories Threaded Oil Filter - Oil Filters - AliExpress
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1/2" - 28 TPI (female) to 1/2"-20 TPI (male) Thread Converter - SKU#064 - Hughes Precision LLC
